Finding the Fourth Proportional to 1,617,243.36, 2,231,757.36 and 892,075.68
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Solution
The fourth proportional to 1,617,243.36, 2,231,757.36 and 892,075.68 is: 1,231,043.21
Step by Step Solution
- Step 1: Write the proportion equation
1,617,243.36 : 2,231,757.36 = 892,075.68 : x - Step 2: Convert to fraction form
1,617,243.36/2,231,757.36 = 892,075.68/x - Step 3: Cross multiply
1,617,243.36x = 2,231,757.36 × 892,075.68 - Step 4: Simplify right side
1,617,243.36x = 1,990,896,464,517.01 - Step 5: Solve for x
x = 1,990,896,464,517.01/1,617,243.36 - Step 6: Final answer
x = 1,231,043.21
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.